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QUESTION

# The density of mercury metal is 13.6 g/mL. What is the mass of 3.55 mL of the metal?

color(purple)("The mercury metal has a mass of 48.3g."

To calculate the mass of the object, we have to use the following formula: - will have units of g/(mL) when dealing with a liquid or units of g/(cm^3) when dealing with a solid.

• The mass has units of grams, g.

• The volume will have units of mL or cm^3

We are given the and volume, both of which have good units so all we have to do is rearrange the equation to solve for the mass:

densityxxvolume=(mass)/(cancel"volume")xxcancel"volume"

color(coral)("Density")xxcolor(coral)("Volume = Mass")

(13.6g)/cancel"mL"xx3.55cancel"mL"

Thus, the object has a mass of 48.3g.